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Support the build for multiple architectures at one cmake command (iOS). #5677

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Nov 17, 2017
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8 changes: 3 additions & 5 deletions cmake/cross_compiling/ios.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -76,11 +76,9 @@ set(IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform")
# Set the architecture for iOS
if(NOT DEFINED IOS_ARCH)
if(IOS_PLATFORM STREQUAL "OS")
# FIXME(liuyiqun): support "armv7;armv7s;arm64" future
set(IOS_ARCH "arm64")
set(IOS_ARCH "armv7;armv7s;arm64")
elseif(IOS_PLATFORM STREQUAL "SIMULATOR")
# FIXME(liuyiqun): support "i386;x86_64" future
set(IOS_ARCH "x86_64")
set(IOS_ARCH "i386;x86_64")
endif()
endif()
set(CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE string "Build architecture for iOS")
Expand Down Expand Up @@ -248,7 +246,7 @@ set(IOS_COMPILER_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} ${XCODE_IOS_BITCODE_

# Hidden visibilty is required for cxx on iOS
set(CMAKE_C_FLAGS "${IOS_COMPILER_FLAGS} ${CMAKE_C_FLAGS}" CACHE STRING "C flags")
set(CMAKE_CXX_FLAGS "${IOS_COMPILER_FLAGS} -fvisibility-inlines-hidden ${CMAKE_CXX_FLAGS}" CACHE STRING "CXX flags")
set(CMAKE_CXX_FLAGS "${IOS_COMPILER_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden ${CMAKE_CXX_FLAGS}" CACHE STRING "CXX flags")

set(IOS_LINK_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} -Wl,-search_paths_first")

Expand Down
13 changes: 6 additions & 7 deletions cmake/external/openblas.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -45,15 +45,14 @@ IF(NOT ${CBLAS_FOUND})
SET(OPTIONAL_ARGS ${OPTIONAL_ARGS} TARGET=ARMV8 BINARY=64 USE_THREAD=0)
ENDIF()
ELSEIF(IOS)
# FIXME(liuyiqun): support multiple architectures
SET(OPENBLAS_COMMIT "b5c96fcfcdc82945502a2303116a64d89985daf5")
SET(OPENBLAS_CC "${OPENBLAS_CC} ${CMAKE_C_FLAGS} -isysroot ${CMAKE_OSX_SYSROOT}")
IF(CMAKE_OSX_ARCHITECTURES MATCHES "armv7")
SET(OPENBLAS_CC "${OPENBLAS_CC} -arch armv7")
SET(OPTIONAL_ARGS ${OPTIONAL_ARGS} TARGET=ARMV7 ARM_SOFTFP_ABI=1 USE_THREAD=0)
ELSEIF(CMAKE_OSX_ARCHITECTURES MATCHES "arm64")
IF(CMAKE_OSX_ARCHITECTURES MATCHES "arm64")
SET(OPENBLAS_COMMIT "b5c96fcfcdc82945502a2303116a64d89985daf5")
SET(OPENBLAS_CC "${OPENBLAS_CC} ${CMAKE_C_FLAGS} -isysroot ${CMAKE_OSX_SYSROOT}")
SET(OPENBLAS_CC "${OPENBLAS_CC} -arch arm64")
SET(OPTIONAL_ARGS ${OPTIONAL_ARGS} TARGET=ARMV8 BINARY=64 USE_THREAD=0 CROSS_SUFFIX=${CROSS_SUFFIX})
ELSE()
MESSAGE(FATAL_ERROR "OpenBLAS only support arm64 architectures on iOS. "
"You can set IOS_USE_VECLIB_FOR_BLAS=ON or USE_EIGEN_FOR_BLAS=ON to use other blas library instead.")
ENDIF()
ELSEIF(RPI)
# use hardfp
Expand Down
4 changes: 4 additions & 0 deletions cmake/external/warpctc.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,10 @@
# See the License for the specific language governing permissions and
# limitations under the License.

IF(MOBILE_INFERENCE)
return()
ENDIF()

INCLUDE(ExternalProject)

SET(WARPCTC_SOURCES_DIR ${THIRD_PARTY_PATH}/warpctc)
Expand Down
2 changes: 1 addition & 1 deletion doc/mobile/cross_compiling_for_android_cn.md
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# 构建Android平台上的PaddlePaddle库
# Android平台编译指南

用户可通过如下两种方式,交叉编译Android平台上适用的PaddlePaddle库:
- 基于Docker容器的编译方式
Expand Down
12 changes: 6 additions & 6 deletions doc/mobile/cross_compiling_for_ios_cn.md
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# 构建iOS平台上的PaddlePaddle库
# iOS平台编译指南
交叉编译iOS平台上适用的PaddlePaddle库,需要在MacOS系统上进行。本文的将介绍在MacOS上,从源码交叉编译iOS平台上适用的PaddlePaddle库。

## 准备交叉编译环境
Expand All @@ -25,7 +25,7 @@ iOS平台可选配置参数:
- `IOS_PLATFORM`,可设置为`OS/SIMULATOR`,默认值为`OS`。
- `OS`,构建目标为`arm`架构的iPhone或者iPad等物理设备。
- `SIMULATOR`,构建目标为`x86`架构的模拟器平台。
- `IOS_ARCH`,目标架构。针对不同的`IOS_PLATFORM`,可设置的目标架构如下表所示:
- `IOS_ARCH`,目标架构。针对不同的`IOS_PLATFORM`,可设置的目标架构如下表所示,默认编译所有架构

<table class="docutils">
<colgroup>
Expand All @@ -41,11 +41,11 @@ iOS平台可选配置参数:
<tbody valign="top">
<tr class="row-even">
<td>OS</td>
<td>armv7, armv7s, arm64 (默认)</td>
<td>armv7, armv7s, arm64 </td>
</tr>
<tr class="row-odd">
<td>SIMULATOR</td>
<td>i386, x86_64 (默认)</td>
<td>i386, x86_64 </td>
</tr>
</tbody>
</table>
Expand All @@ -66,7 +66,7 @@ iOS平台可选配置参数:
```bash
cmake -DCMAKE_SYSTEM_NAME=iOS \
-DIOS_PLATFORM=OS \
-DIOS_ARCH="arm64" \
-DIOS_ARCH="armv7;arm64" \
-DIOS_ENABLE_BITCODE=ON \
-DIOS_USE_VECLIB_FOR_BLAS=ON \
-DCMAKE_INSTALL_PREFIX=your/path/to/install \
Expand Down Expand Up @@ -112,6 +112,6 @@ $ make install
- `lib`目录,其中包含PaddlePaddle的C-API静态库
- `third_party`目录,其中包含所依赖的所有第三方库

注意,不同架构的PaddlePaddle库建议安装到不同的目录下,然后使用`lipo`工具将多个静态库合并成一个支持多个架构的fat库
注意,如果PaddlePaddle库需要同时支持真机和模拟器,则需要分别编译真机和模拟器版本,然后使用`lipo`工具合并fat库

自此,PaddlePaddle库已经安装完成,用户可将合成的fat库用于深度学习相关的iOS App中,调用方法见C-API文档。
2 changes: 1 addition & 1 deletion doc/mobile/cross_compiling_for_raspberry_cn.md
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# 构建Raspberry Pi平台上的PaddlePaddle库
# Raspberry Pi平台编译指南

通常有两个方法来构建基于 Rasspberry Pi 的版本:

Expand Down
2 changes: 2 additions & 0 deletions paddle/cuda/include/hl_gpu.h
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,9 @@ limitations under the License. */
#include "hl_matrix.h"
#include "hl_sequence.h"
#include "hl_sparse.h"
#ifndef PADDLE_MOBILE_INFERENCE
#include "hl_warpctc_wrap.h"
#endif

#ifdef HPPL_STUB_FUNC
#include "stub/hl_aggregate_stub.h"
Expand Down